{"id":2519,"date":"2026-05-22T03:29:10","date_gmt":"2026-05-22T03:29:10","guid":{"rendered":"https:\/\/materialparts.com\/m0516ldn\/"},"modified":"2026-05-22T03:29:10","modified_gmt":"2026-05-22T03:29:10","slug":"m0516ldn","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/m0516ldn\/","title":{"rendered":"M0516LDN"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The M0516LDN is a 32-bit ARM Cortex-M0 microcontroller from Nuvoton Technology. It operates at up to 50MHz with 64KB Flash, 4KB SRAM, and 4KB Data Flash. The device features a high-precision internal 22.1184MHz RC oscillator, comprehensive peripherals including dual SPI, I2C, UART, 12-bit ADC, and PWM, all in an LQFP-48 package.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<table>\n<tr>\n<td>\u6838\u5fc3<\/td>\n<td>ARM Cortex-M0 32-bit<\/td>\n<\/tr>\n<tr>\n<td>Max Clock Frequency<\/td>\n<td>50MHz<\/td>\n<\/tr>\n<tr>\n<td>Flash Memory<\/td>\n<td>64KB<\/td>\n<\/tr>\n<tr>\n<td>SRAM<\/td>\n<td>4KB<\/td>\n<\/tr>\n<tr>\n<td>Data Flash<\/td>\n<td>4KB<\/td>\n<\/tr>\n<tr>\n<td>I\/O Pins<\/td>\n<td>40<\/td>\n<\/tr>\n<tr>\n<td>ADC<\/td>\n<td>8-channel 12-bit (760kSPS)<\/td>\n<\/tr>\n<tr>\n<td>\u4ea4\u6d41<\/td>\n<td>2x SPI, 2x I2C, 2x UART<\/td>\n<\/tr>\n<tr>\n<td>PWM<\/td>\n<td>8 channels<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u6e90\u7535\u538b<\/td>\n<td>2.5V to 5.5V<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u6e29\u5ea6<\/td>\n<td>-40C to +85C<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5<\/td>\n<td>LQFP-48 (7x7mm)<\/td>\n<\/tr>\n<\/table>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>ARM Cortex-M0 core with 32-bit performance at 8-bit cost<\/li>\n<li>High-precision internal 22.1184MHz RC oscillator (1% at 25C)<\/li>\n<li>4KB Data Flash for parameter storage (no external EEPROM needed)<\/li>\n<li>8-channel 12-bit ADC up to 760kSPS with built-in temperature sensor<\/li>\n<li>4 analog comparators for fast response<\/li>\n<li>Dual SPI (up to 36MHz), dual I2C (400kHz), dual UART<\/li>\n<li>High ESD\/EFT immunity (8kV ESD, 4kV EFT)<\/li>\n<li>ISP, ICP, and IAP programming support<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Security and alarm systems<\/li>\n<li>Temperature sensing and control<\/li>\n<li>Motor control applications<\/li>\n<li>Industrial automation<\/li>\n<li>Consumer electronics controllers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The M0516LDN is a 32-bit ARM Cortex-M0 microcontroller from Nuvoton Technology. It operates at up to 50MHz with 64KB Flash, 4KB SRAM, and 4KB Data Flash. The device features a high-precision internal 22.1184MHz RC oscillator, comprehensive peripherals including dual SPI, I2C, UART, 12-bit ADC, and PWM, all in an LQFP-48 package. Key Specifications [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2590,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[185],"class_list":["post-2519","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-nuvoton"],"acf":{"brief_explanation":"ARM Cortex-M0 MCU, 50MHz, 64KB Flash, 4KB SRAM, dual SPI\/I2C\/UART, LQFP-48","date_code":"","package_case":"LQFP-48 (7.0 x 7.0 x 1.45 mm)","in_stock":3496,"datasheet":"https:\/\/www.nuvoton.com\/products\/microcontrollers\/arm-cortex-m0-mcus\/m051-base-series\/m0516ldn\/","price":"$1.46 @ 500pcs","product_introduction":"The M0516LDN from Nuvoton Technology is a 32-bit ARM Cortex-M0 microcontroller offering 50MHz operation with 64KB Flash, 4KB SRAM, and 4KB Data Flash in an LQFP-48 package. The device features a high-precision internal 22.1184MHz RC oscillator with 1% accuracy, eliminating the need for external crystals in many applications. With dual SPI, I2C, and UART interfaces, 8-channel 12-bit ADC, and 8-channel PWM, it provides comprehensive peripheral support for industrial and consumer applications. High ESD\/EFT immunity ensures reliable operation in noisy environments.","working_principle":"The M0516LDN is based on the ARM Cortex-M0 processor core connected to peripherals through an AHB\/APB bus bridge. The CPU executes instructions from 64KB Flash with access to 4KB SRAM for data. A built-in PLL can boost the internal 22.1184MHz oscillator to 50MHz for maximum performance. The 12-bit SAR ADC samples analog inputs at up to 760kSPS, triggered by PWM outputs for synchronized control loops. Four analog comparators provide fast response for protection circuits. The Data Flash area serves as non-volatile storage for configuration parameters without external EEPROM. Multiple programming interfaces (ISP, ICP, IAP) support flexible development and field updates.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Type<\/th><th>Function<\/th><\/tr><tr><td>1-4<\/td><td>PB.0-PB.3<\/td><td>I\/O<\/td><td>Port B \/ ADC \/ PWM \/ SPI<\/td><\/tr><tr><td>5-8<\/td><td>PB.4-PB.7<\/td><td>I\/O<\/td><td>Port B \/ ADC \/ PWM \/ I2C<\/td><\/tr><tr><td>9<\/td><td>VDD<\/td><td>Power<\/td><td>Positive supply (2.5-5.5V)<\/td><\/tr><tr><td>10<\/td><td>VSS<\/td><td>Power<\/td><td>Ground<\/td><\/tr><tr><td>11-18<\/td><td>PC.0-PC.7<\/td><td>I\/O<\/td><td>Port C \/ UART \/ SPI \/ PWM<\/td><\/tr><tr><td>19<\/td><td>RST<\/td><td>Reset<\/td><td>Reset (active low)<\/td><\/tr><tr><td>20-23<\/td><td>PD.0-PD.3<\/td><td>I\/O<\/td><td>Port D \/ UART \/ EBI<\/td><\/tr><tr><td>24-27<\/td><td>PD.4-PD.7<\/td><td>I\/O<\/td><td>Port D \/ PWM \/ ADC<\/td><\/tr><tr><td>28<\/td><td>VDD<\/td><td>Power<\/td><td>Positive supply<\/td><\/tr><tr><td>29<\/td><td>AVDD<\/td><td>Power<\/td><td>Analog supply<\/td><\/tr><tr><td>30<\/td><td>AVSS<\/td><td>Power<\/td><td>Analog ground<\/td><\/tr><tr><td>31-36<\/td><td>PE.0-PE.5<\/td><td>I\/O<\/td><td>Port E \/ ADC \/ Comparator<\/td><\/tr><tr><td>37-44<\/td><td>PA.0-PA.7<\/td><td>I\/O<\/td><td>Port A \/ UART \/ SPI \/ I2C<\/td><\/tr><tr><td>45-48<\/td><td>PA.8-PA.11<\/td><td>I\/O<\/td><td>Port A \/ EBI \/ PWM<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Security and alarm system controllers<\/li>\n<li>Temperature sensing and HVAC control<\/li><li>Motor control for BLDC and stepper motors<\/li><li>Industrial automation and instrumentation<\/li><li>Consumer electronics and smart home devices<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Package<\/th><th>Notes<\/th><\/tr><tr><td>Nuvoton<\/td><td>M0518LDN<\/td><td>LQFP-48<\/td><td>128KB Flash upgrade<\/td><\/tr><tr><td>Nuvoton<\/td><td>NUC029LAN<\/td><td>LQFP-48<\/td><td>Newer series with USB<\/td><\/tr><tr><td>GigaDevice<\/td><td>GD32F130F8P6<\/td><td>TSSOP-20<\/td><td>ARM Cortex-M3 alternative<\/td><\/tr><tr><td>STMicroelectronics<\/td><td>STM32F030C8T6<\/td><td>LQFP-48<\/td><td>Cortex-M0, 64KB Flash<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=2519"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2519\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2590"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=2519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=2519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=2519"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=2519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}